阅读说明：本技术 一种传动机构 (Transmission mechanism ) 是由 王艺霖 潘扬春 杨毓贤 于 2020-06-05 设计创作，主要内容包括：本发明提供了一种传动机构,该传动机构包括：主动伞齿轴、行走盘齿、左半轴输出轴、右半轴输出轴；主动伞齿轴与行走盘齿相啮合；行走盘齿与左半轴输出轴连接；左半轴输出轴的右端与右半轴输出轴的左端连接；左半轴输出轴、右半轴输出轴合体呈“V”型；动力依次传递给主动伞齿轴、行走盘齿、左半轴输出轴,通过左半轴输出轴带动右半轴输出轴转动。上述的传动机构,采用两根半轴输出轴传动,且通过左半轴输出轴带动右半轴输出轴转动,这样既保证了左右刀具输出轴可以有较大范围的倾斜夹角以满足消除刀具漏耕的需求,同时通过此结构特殊的轴承安装使整个结构强度高,整体性好。(The present invention provides a transmission mechanism, comprising: the driving bevel gear shaft, the walking disc gear, the left half shaft output shaft and the right half shaft output shaft; the driving bevel gear shaft is meshed with the teeth of the walking disc; the walking disc teeth are connected with the output shaft of the left half shaft; the right end of the left half shaft output shaft is connected with the left end of the right half shaft output shaft; the left half shaft output shaft and the right half shaft output shaft are combined into a V shape; power is transmitted to the driving bevel gear shaft, the walking disc gear and the left half shaft output shaft in sequence, and the right half shaft output shaft is driven to rotate through the left half shaft output shaft. The transmission mechanism adopts two half-shaft output shafts for transmission, and drives the right half-shaft output shaft to rotate through the left half-shaft output shaft, so that the inclined included angle of the left and right cutter output shafts can be increased in a larger range to meet the requirement of eliminating cutter missing tillage, and meanwhile, the whole structure is high in strength and good in integrity through the special bearing installation of the structure.)

1. A transmission mechanism, comprising:

the driving bevel gear shaft, the walking disc gear, the left half shaft output shaft and the right half shaft output shaft;

the driving bevel gear shaft is meshed with the teeth of the walking disc;

the walking disc teeth are connected with the output shaft of the left half shaft;

the right end of the left half shaft output shaft is connected with the left end of the right half shaft output shaft;

the left half shaft output shaft and the right half shaft output shaft are combined into a V shape;

and power is sequentially transmitted to the driving bevel gear shaft, the walking disc gear and the left half shaft output shaft, and the left half shaft output shaft drives the right half shaft output shaft to rotate.

2. The transmission mechanism as recited in claim 1, wherein a right end of the left half shaft output shaft is in toothed engagement with a left end of the right half shaft output shaft.

3. The transmission mechanism as recited in claim 1, wherein the range of angles of intersection of the left and right half-shaft output shafts comprises 150 degrees to 165 degrees.

4. A transmission mechanism as claimed in any one of claims 1 to 3 wherein the right half shaft output shaft is assembled using two deep groove ball bearings with a spacer disposed therebetween.

5. A transmission according to any one of claims 1 to 3, wherein the travelling disc teeth are fitted using deep groove ball bearings.

6. A transmission as claimed in any one of claims 1 to 3 wherein the left half shaft output shaft is fitted using deep groove ball bearings.

7. The transmission mechanism as claimed in any one of claims 1 to 3 wherein the left half shaft output shaft is splined to the walking disc teeth.

8. A transmission mechanism as claimed in any one of claims 1 to 3, wherein the left and right semi-shaft output shafts are hexagonal semi-shafts.

Technical Field

The invention relates to the technical field of miniature agricultural machinery, in particular to a transmission mechanism.

Background

The miniature agricultural machine is specially designed for the cultivation of sloping fields and small lands according to the topography of vast hills and mountainous areas in China, and is deeply favored by vast users because of the characteristics of light weight, small volume, simple structure, convenient operation and the like.

At present, the output shaft of a cutter installed on a management machine is mostly in whole-shaft transmission, and the output shaft is an assembly structure vertical to a box body, so that the cutter is always inevitable to generate larger missing plowing due to the fact that left and right cutters cannot cross one point during ditching or rotary tillage operation, the tillage effect is influenced, the box body is large in downward resistance due to the fact that the cutter leaks to be large during ditching, meanwhile, when the whole machine moves forwards, the box body is required to break soil of the missing plowing part, power consumption is large, and the walking wheel is large in forward resistance of the whole machine, so that the walking wheel slips; therefore, most of the management machines with the structure on the market have poor effect in the ditching operation of hard soil or clay, and even can not meet the use requirement.

Disclosure of Invention

The invention aims to provide a transmission mechanism, aiming at solving the problems that in the prior art, an output shaft of a cutter is installed on a supervisor, most of the output shaft is in whole-shaft transmission and is in an assembly structure vertical to a box body, the structure causes that the cutter cannot avoid large missing plowing caused by the fact that left and right cutters cannot cross one point all the time during ditching or rotary tillage operation to influence the tillage effect, the box body has large downward resistance due to the large cutter leakage during ditching, and meanwhile, the box body breaks the soil of the missing plowing part during the forward movement of the whole machine, so that the power consumption is large, and the traveling wheels slip due to the large forward movement resistance of the whole machine; therefore, most of the management machines with the structure on the market have poor effect in the ditching operation of hard soil or clay, and even can not meet the use requirement.

In order to solve the above technical problem, the present invention provides a transmission mechanism, including:

the driving bevel gear shaft, the walking disc gear, the left half shaft output shaft and the right half shaft output shaft;

the driving bevel gear shaft is meshed with the teeth of the walking disc;

the walking disc teeth are connected with the output shaft of the left half shaft;

the right end of the left half shaft output shaft is connected with the left end of the right half shaft output shaft;

the left half shaft output shaft and the right half shaft output shaft are combined into a V shape;

and power is sequentially transmitted to the driving bevel gear shaft, the walking disc gear and the left half shaft output shaft, and the left half shaft output shaft drives the right half shaft output shaft to rotate.

Optionally, the right end of the left half-shaft output shaft is in tooth engagement with the left end of the right half-shaft output shaft.

Optionally, the intersection angle range of the left half-shaft output shaft and the right half-shaft output shaft includes 150 degrees to 165 degrees.

Optionally, the right half shaft output shaft is assembled by matching two deep groove ball bearings, and a spacer sleeve is arranged between the two deep groove ball bearings.

Optionally, the traveling disc teeth are matched by deep groove ball bearings during assembly.

Optionally, the left half shaft output shaft is assembled by using a deep groove ball bearing.

Optionally, the left half shaft output shaft is connected with the walking disc teeth through splines.

Optionally, the left half-shaft output shaft and the right half-shaft output shaft are both hexagonal half shafts.

Advantageous effects

The present invention provides a transmission mechanism, comprising:

the driving bevel gear shaft, the walking disc gear, the left half shaft output shaft and the right half shaft output shaft;

the driving bevel gear shaft is meshed with the teeth of the walking disc;

the walking disc teeth are connected with the output shaft of the left half shaft;

the right end of the left half shaft output shaft is connected with the left end of the right half shaft output shaft;

the left half shaft output shaft and the right half shaft output shaft are combined into a V shape;

power is transmitted to the driving bevel gear shaft, the walking disc gear and the left half shaft output shaft in sequence, and the right half shaft output shaft is driven to rotate through the left half shaft output shaft.

The transmission mechanism adopts two half-shaft output shafts for transmission, and drives the right half-shaft output shaft to rotate through the left half-shaft output shaft, so that the inclined included angle of the left and right cutter output shafts can be increased in a larger range to meet the requirement of eliminating cutter missing tillage, and meanwhile, the whole structure is high in strength and good in integrity through the special bearing installation of the structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic cross-sectional view of a transmission mechanism according to an embodiment of the present invention;

description of reference numerals:

the device comprises a driving bevel gear shaft 1, a walking disc gear 2, a second deep groove ball bearing 3, a third deep groove ball bearing 4, a left half shaft output shaft 5, a right half shaft output shaft 6 and a first deep groove ball bearing 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present embodiment will provide a transmission mechanism, see fig. 1, comprising:

the device comprises a driving bevel gear shaft 1, walking disc teeth 2, a left half shaft output shaft 5 and a right half shaft output shaft 6;

the driving bevel gear shaft 1 is meshed with the walking disc gear 2;

the walking disc teeth 2 are connected with a left half shaft output shaft 5;

the right end of the left half-shaft output shaft 5 is connected with the left end of the right half-shaft output shaft 6;

the left half shaft output shaft 5 and the right half shaft output shaft 6 are combined into a V shape;

the power is transmitted to the driving bevel gear shaft 1, the walking disc gear 2 and the left half shaft output shaft 5 in sequence, and the right half shaft output shaft 6 is driven to rotate through the left half shaft output shaft 5.

The transmission mechanism adopts two half-shaft output shafts for transmission, and the left half-shaft output shaft 5 drives the right half-shaft output shaft 6 to rotate, so that the inclined included angle of the left and right cutter output shafts can be larger in range to meet the requirement of eliminating cutter missing, and meanwhile, the whole structure is high in strength and good in integrity due to the special bearing installation of the structure.

Alternatively, the right end of the left half-shaft output shaft 5 is in tooth engagement with the left end of the right half-shaft output shaft 6.

Optionally, the range of the intersection angle of the left half shaft output shaft 5 and the right half shaft output shaft 6 includes 150 degrees to 165 degrees.

Optionally, two deep groove ball bearings (denoted as a first deep groove ball bearing 7) are adopted for matching when the right half shaft output shaft 6 is assembled, and a spacer is arranged between the two deep groove ball bearings.

Optionally, the walking disc teeth 2 are assembled by adopting a deep groove ball bearing (denoted as a second deep groove ball bearing 3) for matching.

Optionally, the left half-shaft output shaft 5 is assembled by adopting a deep groove ball bearing (denoted as a third deep groove ball bearing 4) for matching.

Optionally, the left half-shaft output shaft 5 is splined to the running gear teeth 2.

Optionally, the left half-shaft output shaft 5 and the right half-shaft output shaft 6 are both hexagonal half shafts.

The transmission mechanism provided by the embodiment uses two hexagonal output shaft half shafts on the bearing, and the end faces of the half shafts are meshed by adopting end teeth, so that the half shafts can realize synchronous rotation and stable output torque; two first deep groove ball bearings 7 are adopted when the right half shaft output shaft 6 is assembled, and a spacer bush is additionally arranged in the middle of the two first deep groove ball bearings, so that the whole half shaft is more stable and reliable in axial and radial positioning; meanwhile, the left half shaft output shaft 5 is connected with the traveling disc teeth 2 through a spline with higher precision, so that the left half shaft output shaft 5 and the traveling disc teeth 2 form a whole, and the traveling disc teeth 2 and the second deep groove ball bearings 3 are assembled to ensure that the traveling disc teeth 2 are more stable and reliable when being meshed with the driving bevel gear shaft 1; after the left half-shaft output shaft 5 is matched with the third deep groove ball bearing 4, the stability and reliability of the left half-shaft output shaft 5 in the whole torque transmission and rotation are ensured, and the axial and radial play is avoided, so that the stability of the whole transmission structure is ensured.

In the transmission mechanism provided by the embodiment, the power of the gearbox is transmitted to the driving bevel gear shaft 1, and the driving bevel gear shaft 1 is transmitted to the walking disc teeth 2 through bevel gear meshing; the walking disc teeth 2 and the left half shaft output shaft 5 are in spline fit, so that the walking disc teeth 2 transmit torque to the left half shaft output shaft 5; the left half-shaft output shaft 5 and the right half-shaft output shaft 6 are in end-tooth engagement, so that the torque of the left half-shaft output shaft 5 is transmitted to the right half-shaft output shaft 6 and is output by synchronous rotation and torque.

The transmission mechanism that this embodiment provided, simple structure, compactness, the better fault rate of reliability are low. And realized "V" type output structure under the condition of less drive disk assembly and solved the cutter problem of missing plowing, overall structure low in production cost can bring better experience and income for user and enterprise.

The transmission mechanism provided by the embodiment can be applied to a mini-tiller, a management machine and the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.